public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
if (context != null && provider != null && context.Instance != null)
{
MathematicExpression me = context.Instance as MathematicExpression;
if (me != null)
{
Form f = me.FindForm();
if (f != null)
{
IWindowsFormsEditorService edSvc = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
if (edSvc != null)
{
DlgSelectProperty dlg = new DlgSelectProperty();
dlg.LoadData(f);
if (edSvc.ShowDialog(dlg) == DialogResult.OK)
{
value = dlg.SelectedProperty;
}
}
}
}
}
return(value);
}
public void SelectVariableValue(string name)
{
Form f = this.FindForm();
if (f != null)
{
DlgSelectProperty dlg = new DlgSelectProperty();
dlg.LoadData(f);
if (dlg.ShowDialog(f) == DialogResult.OK)
{
SetVariable(name, dlg.SelectedProperty);
}
}
}